Two-rim vehicle wheel



ct. 2, 1928. A

F. W. BAKER Two-RIM VEHICLE WHEEL 2 Sheets-Sheet Filed Aug. 25, 1926 2 Sheets-Sheet 2 f A g/ S15/wanton,

Hom/w13,

Patented Oct. 2, 1928.

UNITED STATES i 1,685,974 PATENT OFFICE.

`EEEnEEIcK WILLIAM BAKER, 0E sToUEBEInGE, ENGLAND, AssIGNoE- To 4'r'EI1vI'rY` WHEEL ooEroEArIoN, 0E NEW YoEK, N. Y., ArcoEPoEATIoNoE NEW YoEK.

Two-'EIM VEHICLE WHEEL.

v i Application led August 25, 1926. Serial No. 131,509.

yMy invention relatesV to improvements in vehicle wheels', particularly Wheelsfor motor cars having inner and outer rims spaced apart andV with bearing members connecting the rims at spaced intervals. In wheels of this character theouter rim is driven from the inner rim, and my invention isvintended to provide a driving connection between the two rims which `comprises a iseries of bearing members serving to space the rims. and which inelndes a yielding part so as to relieveV the drive from too much rigidity,`fand to cushion the outer rim to a limited extent radially and latf orally, but more especially to ease the torsional strain. In wheels of this character it is essentialthat the connecting members between the rims be very strongly attached. or otherwise they will tear loose. It is also essential'that apart of each connectingbearing member be'attached to one rim and a part tothe. other, to the end that the yielding packing may be placed between the connecting members and absorb a certain amount but not too muchof the strain. My invention embodies a means for carrying out the above construction. vBecause of the strain on the parts, I provide bearing members and connectors which are mostly of metal to the end that they may be firmly attached tothe respective rims,but in order to avoid the metal to metal connections andprovide for a limit.- red yielding in all directions, I include, aresilient packing preferably of textile fabric,

1f-'but of any suitable material, which is in,-

terposed between the metallic parts, and in a lway to absorb the `shock ofthe drive.

Obviously if there is too much'resilience in thedriving connection,the.result is lost motion "and instability, but in my inventionv I avoid lthis difficulty by providing for firm rim vconnections and by disposing lthewyield'ing packing ina way which will give'the necessary but not too much resilience. Another object of my invention is to provide this yielding driving and spacing connection between the rims in `such a way that the outer Vrim 'may if desired be demountable.

These and other advantages will be better pnderstood from the descrip-tion which folows. Reference is to be had to the accompanying drawings forming a part of this invention, in which similar reference characters indicate i `corresponding parts in all the views.

Figure 1 is a fragmentary plan view partly -of'FigurelL in section of one of the bearing and connect.- I

section V,on the line 3.73

`Figure 4, and

Figure y(iis across section on the line 6%.'6

'The wheel can have. desired or ap-` proved spolre system, and my inventionv lies in the connection between the inner rim 10 and the outer rim 11. The rimsv themselves may likewisebe of anyp-referred type, the imy portant thing beingthat :they are concentric.

' Where the connection between the rims is to be made the inner'rim v10 is preferably provided with aseatlQwhich receives the opposed abutments 13, these being preferably metallic blocks fitting in the outer sides of the seats, l l

and thus the walls of the seat take the greater par-t of the strain', and thefastening bolts 14 serve Aprincipally to hold the blocks 13 in place. Any suitable bolts '14: can "be used. and

(I have shown'screw bolts, the, nuts of which fit in seats-15 formed on the `-inner side of the inner rim to receive them; The yblocks 13 are preferably made hollow for lightness, and the outer walls 16 larevshaped to tit against the walls of the seats 12,while the innerwalls 17 are flared from the central -Dart/of the-blocks Vor 'abutments l13 in both ,directions forming double ywedgi'ng ways between them, as shown clearly in Figure 1. The Walls 117 are also inclinedas Vshown in Figure 3, so Ias to be wider at the inneredges thanattheiouter edges, thus forming ,a dovetail :as well as a wedging connection with the blocks or abutments 18 which are Secured tothe outer rim.

'Ihns it will be seen that if stra-inis api Yplied in .eitherdirectionto. the'inner rim, the

abutments 1,8 will be forcedwitha wedging action upon one of the blocks 18, and 'the blocksYV or abutments 18 cannot readily be displaced. It would be undesirable tohave the metal blocks 13 and 18 in contact, and it would not achieve the resilient or yieldfabric, rubberized fabric, or any tough yield- Y ing drive which I desire. Therefore I place Y 4'the strain imparted' from the members 13 i vthe bolts,

to one member 18, and thence to the outer rim, is through the packings 19, and as these yield, the strain will be in partV absorbed, and at any rate will be an easy 'drive free from shocks or jolts. the yielding is very limited and does not make anunstable connection.` l

I vdo notjlimit the invention to anypar` ticu'lar connection between the members 18 and the outer rim 11, but I have showna preferred and convenient way ofdemountably making, this connection, in which the members 18 are providedv at the lends of the connectors with sleeves 21 through which extend fastening bolts `22, these being long enough to extend Vacrossv the rim andv the innerrim can have sockets 21 tov receive the bolts. YThebolts `are provided withV nuts 23, and each bolt carries a pairof'rrclips 24 and 2,5 shapedfto embrace the sides of the outer rim. One pair of clips 25, for example, can be braz'ed or yotherwise fastened tov the rim, and when thegnuts are lremoved from the loose clips 24 can b e slipped off landthe rim,'clips 25, and bolts pulled off Aaxially from the wheel.,` This makes-a convenienty and substantial'demountable' connection, but other means of connecting the resilient driving member with thei outer rim can be employed without' affecting the inventio'n;l y A p In Fi ures 4 to 6 Ithave shown a simpler form o the inventionin which the outer` rim` is `demountable 'but in which the same principle is employed. As here illustrated the blocks 13jare Varranged substantially as already indicated, being fastenedby screw bolts 2 6 yand recessedon top or on theouter side, as shownl at'28 to receive the fasteningrnuts. 4The members 18 corresponding to the members 18falready described, are rigidil'y attached yby screw-bolts'29-to the Y outer rim, 'and are recessed as at 30 to re- LThus it will be seenthat ceive countersunk parts ofV the outer riin as shownfin VFigure 5' andv alsorecessed as ,at

31 to receive the nuts'for the bolts 29. VIn this form of construction the packing pieces i9lare disposed asalreadydescribed.

Y manner I have provided a strong connection :between the two rims, in which the abut` ments 1554+137 Vare rigidly secured to the'inner On the'other hand in .a 'very simple f It will further be noted that the disposition ofthe packings 19 is such thata slight cushioning effect ishad laterally as well as torsionally. l

I claim: Y

1. A vehicle-wheel having spacedl concentric rims, spaced abutments with oppostely inclined' sides on one rim, abut-ments on` the second rim wedging between ,those of the 'first rim and removably coupled to said second rim, and a yielding packing between vthe wedgmg abutments. y

2. A vehlcle wheel having'v concentric rims,

spaced abutments withinclined'walls "shapedV to form a waybetweenvsaid abutments wedgingfrom the ends towards the center portion ony `one rim, shaped abutments onjthe second rim fitting in the way formed between the first abutments, and aA yi'eldingpacking between the abutments.

`3.1Avehicle wheel having spacedrims, opposedabutments seatedion the inner lrim having their opposite faces Haring from the middle portion to form wedging vwaysbetween them, spaced abutments on Vthe outer rim shaped to wedge in the ways of the inner rimyielding packings between the `two sets of abutments, clips on the outer rim, and

detachable fastenings connecting said Y clips with the abutments of thev outer rim.

4. A vehicle wheel having spaced concentricy rims, a pairvof spacedy wedge-shaped abutments disposed circumferentiallyon one of said rims, ay pair of spaced wedge-shaped abutments disposed transverselyl opposite each otherron the other of said rims land adapted to cooperate Vwith'said first mentioned abutments, and a yielding packing between said abutments.

5. A vehiclewheel'havingspaced concenrtric rims, a pair of opposite spaced Vabutments on one of said rims,'a4 pair of opposite spaced abutments on thefot-her of said rims and adapted to cooperate with the abutmentsonsaid first mentioned rim', the sides of said abut-ments being inclinedfcircumferenlos n tiallyV and 'radially with respect to said-rims,

land a yielding packing between said ,abut- InY testimony 1 whereof, I have signed my name to this specification this 19thday lof August, 1926. n Y FREDERICK WILLIAM BAKER. 

